Medical Definition of Red blood cells. Red blood cells: The blood cells that carry oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them to transport oxygen (and carbon dioxide). Hemoglobin, aside from being a transport molecule, is a pigment. It gives the cells their red color (and their name).
Alexander Milne Calder (August 23, 1846 â June 4, 1923) was a Scottish American sculptor best known for the architectural sculpture of Philadelphia City Hall. Both his son, Alexander Stirling Calder, and grandson, Alexander Sandy Calder, became significant sculptors in the 20th century.
Diego Luna Actor, Rogue One Diego Luna Alexander was born on December 29, 1979 in Mexico City, Mexico, to Alejandro Luna and Fiona Alexander, who worked as a costume designer. His father is Mexican and his mother was British, of Scottish and English descent. His mother died when Diego was only two, in a car accident.